[sonic-bootchart] add document on integrating systemd-bootchart #1001
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stepanblyschak
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May 16, 2022
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stepanblyschak
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| PR title | state | context |
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| [sonic_debian_extension] install systemd-bootchart |  |
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| [sonic-bootchart] add sonic-bootchart |  |
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Signed-off-by: Stepan Blyschak <stepanb@nvidia.com>
Signed-off-by: Stepan Blyschak <stepanb@nvidia.com>
doc/profiling/sonic_bootchart.md
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| Update configuration example: | ||
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| ``` | ||
| admin@sonic:~$ sudo sonic-bootchart config --samples 500 --frequency 10 |
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Understand bootchart's parameters are sample and frequency, as cli wrapper, I suggest:
- Instead of sample counts, use time span as parameter, wrapper calculate the sample count = time span x frequency
- having meaningful default value for time span and frequency.
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- Changed to time span
- The defaults are mentioned in this section - https://github.com/stepanblyschak/SONiC/blob/sonic-bootchart/doc/profiling/sonic_bootchart.md#high-level-design
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| ### Open/Action items |
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Suggest adding code at initramfs stage to generate bootchart configuration file according to kernel parameters. So that we could have bootchart configured for upcoming boot generated.
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Instead of initramfs we may add this to sonic-installer (where we usually perform config/packages migration tasks).
Added an open action.
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Did you evaluate the script Also, please wrap lines after 80(?) characters in the Markdown documents, so it’s easier to comment on specific parts of a paragraph in GitHub. |
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@paulmenzel No, this tool wasn't considered. If needed, one may change the tool used while still have the same SONiC CLI command. |
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@stepanblyschak please update the PR description with the list of PRs to get into as part of the feature. |
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@liat-grozovik Updated description with PR list |
- Why I did it Implemented sonic-net/SONiC#1001 - How I did it Install systemd-bootchart tool and provide default config for it. - How to verify it Run build and verify systemd-bootchart is installed. Signed-off-by: Stepan Blyschak <stepanb@nvidia.com>
- What I did Implemented sonic-net/SONiC#1001 - How I did it Added a new sonic-bootchart script and added UT for it - How to verify it Run on the switch. Depends on sonic-net/sonic-buildimage#11047 Signed-off-by: Stepan Blyschak <stepanb@nvidia.com>
- What I did Implemented sonic-net/SONiC#1001 - How I did it Added a new sonic-bootchart script and added UT for it - How to verify it Run on the switch. Depends on sonic-net/sonic-buildimage#11047 Signed-off-by: Stepan Blyschak <stepanb@nvidia.com>
